Matrix routing and splitting — Flexible, matrix-style audio routing and splitting for any analog or digital input, computer channel or network stream to any other output, computer, or network device. Split any single input to unlimited multiple output destinations

System expansion and audio networking — Add a 2nd MOTU interface with a simple Cat-5e ethernet cable. Connect up to five MOTU interfaces using a MOTU AVB Switch (sold separately)

Check out the review in Sound On Sound magazine from 2014: "As an all-in-one offering for project studios, the 1248 is a pretty complete product"